The EdgeType class collects edges of the same type, e.g., knows relationship type. An edge-type is analogous to a relation with foreign keys in an RDBMS.
Value parameters
- _name
-
the name of this edge-type ('name' from
Identifiable) - color
-
the display color for edges of this type
- edges
-
the set of edges having this edge-type (extension)
- from
-
the source vertex
- schema
-
the property names for this edge-type
- shape
-
the display shape template for edges of this type
- to
-
the target vertex
Attributes
- Companion
- object
- Graph
-
- Supertypes
Members list
Value members
Concrete methods
Add edges into the existing list of edges in this edge-type.
Add edges into the existing list of edges in this edge-type.
Value parameters
- es
-
the edges to add
Attributes
Check that the properties names are in the schema for this edge-type, returning whether they match the schema.
Check that the properties names are in the schema for this edge-type, returning whether they match the schema.
Attributes
Delete a single edge from the existing list of edges in this edge-type. returning the updated edge type/set.
Delete a single edge from the existing list of edges in this edge-type. returning the updated edge type/set.
Value parameters
- e
-
the edge to delete
Attributes
Make all the edges in this edge-type distinct, i.e., no duplicate edges.
Make all the edges in this edge-type distinct, i.e., no duplicate edges.
Attributes
Expand this edge-type with both its from and to vertex-types.
Expand this edge-type with both its from and to vertex-types.
Attributes
Expand this edge-type with its from vertex-type.
Expand this edge-type with its from vertex-type.
Attributes
Expand this edge-type with its 'to' vertex-type, appending its properties.
Expand this edge-type with its 'to' vertex-type, appending its properties.
Attributes
Insert a single edge into the existing list of edges in this edge-type. returning the updated edge type/set.
Insert a single edge into the existing list of edges in this edge-type. returning the updated edge type/set.
Value parameters
- e
-
the edge to insert
Attributes
Intersect this edge-type with a second edge-type.
Intersect this edge-type with a second edge-type.
Value parameters
- et2
-
the second edge-type
Attributes
Limit the number of edges to n after skipping the first s.
Limit the number of edges to n after skipping the first s.
Value parameters
- n
-
the number of edges to keep
- s
-
the number of edges to skip
Attributes
Subtract (minus) second edge-type from this edge-type.
Subtract (minus) second edge-type from this edge-type.
Value parameters
- et2
-
the second edge-type
Attributes
Return a new shape object based on the shape template.
Return a new shape object based on the shape template.
Attributes
Order the edges within this edge-type by the values of the given property name.
Order the edges within this edge-type by the values of the given property name.
Value parameters
- pname
-
the property name on which to sort
Attributes
Print this edge-type.
Print this edge-type.
Attributes
Project each edge in this edge-type down to the given subschema x of properties.
Project each edge in this edge-type down to the given subschema x of properties.
Value parameters
- x
-
the subset of property names (subschema) to project onto
Attributes
Rename the old property name with the new property name.
Rename the old property name with the new property name.
Value parameters
- pNew
-
new property name
- pOld
-
existing property name
Attributes
Select the edges in this edge-type that satisfy the predicate.
Select the edges in this edge-type that satisfy the predicate.
Value parameters
- pred
-
the predicate to satisfy
Attributes
SHOW/print this table, one edge per row. Formatting: regular column is 'width_' chars wide, 'X' is double that FIX - currently only works for width_, not width
SHOW/print this table, one edge per row. Formatting: regular column is 'width_' chars wide, 'X' is double that FIX - currently only works for width_, not width
Value parameters
- rng
-
the range of edges to show (e.g, 0 until 10), defaults to all
Attributes
Convert this edge-type to a string.
Convert this edge-type to a string.
Attributes
- Definition Classes
-
Any
Union this edge-type with a second edge-type with no duplication.
Union this edge-type with a second edge-type with no duplication.
Value parameters
- et2
-
the second edge-type
Attributes
Union this edge-type with a second edge-type.
Union this edge-type with a second edge-type.
Value parameters
- et2
-
the second edge-type
Attributes
Inherited methods
Determine whether Identifiable object 'this' equals Identifiable object 'that'. Works since 'id' is unique for all Identifiable objects.
Determine whether Identifiable object 'this' equals Identifiable object 'that'. Works since 'id' is unique for all Identifiable objects.
Attributes
- Definition Classes
-
Identifiable -> Any
- Inherited from:
- Identifiable
Return the hashCode as the unique id.
Return the hashCode as the unique id.
Attributes
- Definition Classes
-
Identifiable -> Any
- Inherited from:
- Identifiable
Return the full identity.
Get the type of the object.